Finding the Fourth Proportional to 14,838.30, 20,476.72 and 8,123.87

Step by Step Solution

1. Step 1: Write the proportion equation
   14,838.30 : 20,476.72 = 8,123.87 : x
2. Step 2: Convert to fraction form
   14,838.30/20,476.72 = 8,123.87/x
3. Step 3: Cross multiply
   14,838.30x = 20,476.72 × 8,123.87
4. Step 4: Simplify right side
   14,838.30x = 166,350,111.77
5. Step 5: Solve for x
   x = 166,350,111.77/14,838.30
6. Step 6: Final answer
   x = 11,210.86